The phrase "addition to this blog" means something new or extra that is being included in the blog. It could be a new article, post, or any other content that is being added to the existing blog. Full definition
-LSB-...] events and books in addition to her blog posts in order to maximize her audience reach. (careerdigital.com)
In addition to the blog post, check out the comments for even more ideas on how to identify what really works in your business development efforts. (lawyer-coach.com)
Just wanted to say also that this is a great addition to the blog, this article was very well written and an enjoyable read. (arsenalfcblog.com)